jquery ajax实现GET,POST,文件上传
post内容
function upload2(path,data){
var formData = new FormData();
formData.append("data", data);
$.ajax({
type:"post", url:path,
//异步
async:true,
data:formData, //processData 默认为false，当设置为true的时候,jquery ajax
//Jquery是否对你的数据进行预处理
processData:false,
//Jquery不要修改请求内容类型
contentType:false,
success:function(data){
//console.log(data);
var myDate = new Date();
myDate.getYear();
//获取当前年份(2位)
myDate.getFullYear();
//获取完整的年份(4位,1970-????)
myDate.getMonth();
//获取当前月份(0-11,0代表1月)
myDate.getDate();
//获取当前日(1-31)
myDate.getDay();
//获取当前星期X(0-6,0代表星期天)
var hh = myDate.getHours();
//获取当前小时数(0-23)
var mm = myDate.getMinutes();
//获取当前分钟数(0-59)
var ss = myDate.getSeconds();
//获取当前秒数(0-59)
var s = myDate.getMilliseconds();
//获取当前毫秒数(0-999)
var time=hh+":"+mm+":"+ss;
var info= document.getElementById("board_info");
info.innerHTML=""+data+ time;
//alert(data);
}
});
}单文件上传
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<script src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
<title></title>
</head>
<body>
<form id="uploadForm" enctype="multipart/form-data">
文件:<input id="file" type="file" name="file"/>
</form>
<button id="upload">上传文件</button>
</body>
<script type="text/javascript">
$(function () {
$("#upload").click(function () {
var formData = new FormData($('#uploadForm')[0]);
$.ajax({
type: 'post',
url: "http://192.168.1.101:8080/springbootdemo/file/upload",
data: formData,
cache: false,
processData: false,
contentType: false,
}).success(function (data) {
alert(data);
}).error(function () {
alert("上传失败");
});
});
});
</script>
</html>多文件上传
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<script src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
<title></title>
</head>
<body>
<form id="uploadForm" enctype="multipart/form-data">
文件:<input type="file" name="file" multiple="multiple"/><br>
</form>
<button id="upload">上传文件</button>
</body>
<script type="text/javascript">
$(function () {
$("#upload").click(function () {
var formData = new FormData($('#uploadForm')[0]);
$.ajax({
type: 'post',
url: "http://192.168.1.101:8080/springbootdemo/file/uploadFiles",
data: formData,
cache: false,
processData: false,
contentType: false,
}).success(function (data) {
alert(data);
}).error(function () {
alert("上传失败");
});
});
});
</script>
</html>这个是多选上传，关键是multiple="multiple"这个属性，另外使用的接口也是多文件上传的接口。
当然也可以使用单文件上传的模式，多次选择就可以了，只不过接口也是iyaoshiyong多文件上传的接口。
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<script src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
<title></title>
</head>
<body>
<form id="uploadForm" enctype="multipart/form-data">
文件:<input type="file" name="file"/><br>
文件:<input type="file" name="file"/><br>
文件:<input type="file" name="file"/><br>
</form>
<button id="upload">上传文件</button>
</body>
<script type="text/javascript">
$(function () {
$("#upload").click(function () {
var formData = new FormData($('#uploadForm')[0]);
$.ajax({
type: 'post',
url: "http://192.168.1.101:8080/springbootdemo/file/uploadFiles",
data: formData,
cache: false,
processData: false,
contentType: false,
}).success(function (data) {
alert(data);
}).error(function () {
alert("上传失败");
});
});
});
</script>
</html>测试都通过了！！！
下面通过一段实例代码给大家介绍ajax拖拽上传功能的实现，具体代码如下；
AJAX拖拽上传功能，实现代码如下所示：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.box {
width: 300px;
height: 300px;
border: 1px solid #000;
text-align: center;
line-height: 300px;
font-size: 40px;
}
</style>
</head>
<body>
<div class="box">+</div>
<script>
var box = document.querySelector('.box');
box.ondragover = function (e) {
e.preventDefault();
}
box.ondrop = function (e) {
console.log(e.dataTransfer)
e.preventDefault();
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
console.log(xhr.responseText)
}
}
xhr.open('POST', './server.php', true);
var formdata = new FormData();
formdata.append('pic', e.dataTransfer.files[0]);
formdata.append('name', 'luyao');
xhr.send(formdata);
}
</script>
</body>
</html>//server.php
<?php
$rand = rand(1,1000).'.jpg';
move_uploaded_file($_FILES['pic']['tmp_name'], './uploads/'.$rand);
echo '/uploads/'.$rand;